def main()

in vsock_sample/py/vsock-sample.py [0:0]

• 20 lines of code
• 2 McCabe index (conditional complexity)

def main():
    parser = argparse.ArgumentParser(prog='vsock-sample')
    parser.add_argument("--version", action="version",
                        help="Prints version information.",
                        version='%(prog)s 0.1.0')
    subparsers = parser.add_subparsers(title="options")

    client_parser = subparsers.add_parser("client", description="Client",
                                          help="Connect to a given cid and port.")
    client_parser.add_argument("cid", type=int, help="The remote endpoint CID.")
    client_parser.add_argument("port", type=int, help="The remote endpoint port.")
    client_parser.set_defaults(func=client_handler)

    server_parser = subparsers.add_parser("server", description="Server",
                                          help="Listen on a given port.")
    server_parser.add_argument("port", type=int, help="The local port to listen on.")
    server_parser.set_defaults(func=server_handler)

    if len(sys.argv) < 2:
        parser.print_usage()
        sys.exit(1)

    args = parser.parse_args()
    args.func(args)